Sleeping bag



FIG. 1 is a perspective view of a sleeping bag, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right-side view thereof;

FIG. 7 is a left-side view thereof;

FIG. 8 is another image of FIG. 4, in which a person and a blanket are shown in broken lines for the purpose of illustrating environment, that forms no part of the claimed design; and,

FIG. 9 is an enlarged view of portion 9 of FIG. 1.

The broken lines in FIGS. 1 and 4 depict portions of the article that form no part of the claimed design. 

CLAIM An ornamental design for a sleeping bag, as shown and described. 